The new brushless high-performance motor, when paired with ProCORE18V rechargeable batteries (at least 5.5 Ah for maximum power), delivers power comparable to a 1500 W corded tool. Custom Settings: The intelligent user interface with Bluetooth connectivity provides constant updates on the battery charge status and allows for personalized tool settings. Lightweight: The rotary hammer is lighter than comparable corded tools, even when equipped with a ProCORE18V 12.0Ah rechargeable battery. AMPShare: Batteries and chargers are fully compatible with the Bosch Professional 18V System and numerous other tools within the multi-brand AMPShare battery alliance. Professional 18V System: Ultimate performance and maximum freedom. All rechargeable batteries are compatible with both new and existing Bosch Professional tools in the same voltage class. Included items: GBH 18V-45 C, connectivity module, auxiliary handle, lubrication tube, machine cloth, and tool case.